1557280128

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{463}}^1$

素因数の和:960

約数の個数: 128

約数和(自身を含む): 4373107200

約数和(自身を除く): 2815827072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 304, 384, 456, 461, 463, 608, 912, 922, 926, 1216, 1383, 1389, 1824, 1844, 1852, 2432, 2766, 2778, 3648, 3688, 3704, 5532, 5556, 7296, 7376, 7408, 8759, 8797, 11064, 11112, 14752, 14816, 17518, 17594, 22128, 22224, 26277, 26391, 29504, 29632, 35036, 35188, 44256, 44448, 52554, 52782, 59008, 59264, 70072, 70376, 88512, 88896, 105108, 105564, 140144, 140752, 177024, 177792, 210216, 211128, 213443, 280288, 281504, 420432, 422256, 426886, 560576, 563008, 640329, 840864, 844512, 853772, 1121152, 1126016, 1280658, 1681728, 1689024, 1707544, 2561316, 3363456, 3378048, 3415088, 4055417, 5122632, 6830176, 8110834, 10245264, 12166251, 13660352, 16221668, 20490528, 24332502, 27320704, 32443336, 40981056, 48665004, 64886672, 81962112, 97330008, 129773344, 194660016, 259546688, 389320032, 519093376, 778640064, 1557280128]

約数ペア:

[(1, 1557280128), (2, 778640064), (3, 519093376), (4, 389320032), (6, 259546688), (8, 194660016), (12, 129773344), (16, 97330008), (19, 81962112), (24, 64886672), (32, 48665004), (38, 40981056), (48, 32443336), (57, 27320704), (64, 24332502), (76, 20490528), (96, 16221668), (114, 13660352), (128, 12166251), (152, 10245264), (192, 8110834), (228, 6830176), (304, 5122632), (384, 4055417), (456, 3415088), (461, 3378048), (463, 3363456), (608, 2561316), (912, 1707544), (922, 1689024), (926, 1681728), (1216, 1280658), (1383, 1126016), (1389, 1121152), (1824, 853772), (1844, 844512), (1852, 840864), (2432, 640329), (2766, 563008), (2778, 560576), (3648, 426886), (3688, 422256), (3704, 420432), (5532, 281504), (5556, 280288), (7296, 213443), (7376, 211128), (7408, 210216), (8759, 177792), (8797, 177024), (11064, 140752), (11112, 140144), (14752, 105564), (14816, 105108), (17518, 88896), (17594, 88512), (22128, 70376), (22224, 70072), (26277, 59264), (26391, 59008), (29504, 52782), (29632, 52554), (35036, 44448), (35188, 44256)]